CN105131837B - A kind of coating composition and preparation method thereof - Google Patents
A kind of coating composition and preparation method thereof Download PDFInfo
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- CN105131837B CN105131837B CN201510550171.6A CN201510550171A CN105131837B CN 105131837 B CN105131837 B CN 105131837B CN 201510550171 A CN201510550171 A CN 201510550171A CN 105131837 B CN105131837 B CN 105131837B
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- coating composition
- modified pitch
- sbs modified
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- defoamer
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- 239000008199 coating composition Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000010426 asphalt Substances 0.000 claims abstract description 23
- 229920000126 latex Polymers 0.000 claims abstract description 23
- 239000004816 latex Substances 0.000 claims abstract description 22
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000344 soap Substances 0.000 claims description 19
- 238000004945 emulsification Methods 0.000 claims description 18
- 239000003995 emulsifying agent Substances 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 239000013530 defoamer Substances 0.000 claims description 13
- 239000000084 colloidal system Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 11
- 150000001768 cations Chemical class 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- KBIWNQVZKHSHTI-UHFFFAOYSA-N 4-n,4-n-dimethylbenzene-1,4-diamine;oxalic acid Chemical compound OC(=O)C(O)=O.CN(C)C1=CC=C(N)C=C1 KBIWNQVZKHSHTI-UHFFFAOYSA-N 0.000 claims description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 235000019270 ammonium chloride Nutrition 0.000 claims description 2
- 239000001110 calcium chloride Substances 0.000 claims description 2
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 claims 1
- 238000013019 agitation Methods 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 13
- 239000011248 coating agent Substances 0.000 abstract description 12
- 229920001971 elastomer Polymers 0.000 abstract description 11
- 239000000839 emulsion Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 7
- 239000007787 solid Substances 0.000 abstract description 6
- 239000003973 paint Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 238000004078 waterproofing Methods 0.000 description 5
- 238000011056 performance test Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention provides a kind of coating composition and preparation method thereof, for solving the problems, such as that there are solids content is low, latex volume is big, high expensive for emulsion type rubber asphalt waterproof coating in the prior art.Coating composition provided by the invention and preparation method thereof, since using modified SBS modified pitch and neoprene latex are emulsified, the coating composition of acquisition has the following advantages：Polychloroprene latex content is reduced, while reduces product cost；The solids content of the coating composition reaches 60%, and unit area material quantity is few, and construction efficiency is high, and cost of transportation is low；The coating composition is water paint, safety and environmental protection, and the harm to construction personnel's health is small；The elongation at break of the coating composition is big, more than 1000%；The impermeable water pressure of the coating composition is high, and up to 0.6MPa, 30min is without infiltration.
Description
Technical field
The present invention relates to technical field of coatings, and in particular, to a kind of coating composition and preparation method thereof.
Background technology
Rubber asphalt waterproof coating can be divided into emulsion type rubber asphalt waterproof coating and solvent-borne type rubber asphalt by its component
Two major class of water-repellent paint.Solvent-borne type rubber asphalt waterproof coating decentralized medium is organic solvent, and smell is big, security is poor, Yi Zao
Into environmental pollution, the health of serious harm producers, testing staff and construction personnel etc..With people's environmental consciousness
Enhancing, it will be following developing direction to have excellent environmental-protecting performance and the emulsion type rubber asphalt waterproof coating of cost advantage.
But emulsion type rubber asphalt waterproof coating preparation process was both first generally using the technique for first emulsifying post-modification at present
Matrix pitch is emulsified emulsified asphalt is made, then the materials such as latex modified agent are mixed with emulsified asphalt, emulsion type rubber is made
Glue asphalt waterproofing paint, there are the shortcomings of solids content is low, latex volume is big, high expensive.
The content of the invention
Technical solution is a kind of coating composition and preparation method thereof used by solving the above problems.
A kind of coating composition provided by the invention, includes the component of following mass fraction：
SBS modified pitch：350-450 parts；
Polychloroprene latex：110-145 parts；
Emulsifying agent：11.3-21.8 parts；
Auxiliary agent：2.2-10.5 part；
Water：203-254 parts.
Preferably, the softening point of the SBS modified pitch is 56 DEG C -70 DEG C, ductility 21-45cm, needle penetration 41-
65；Viscosity is 200-600mPas.
Specifically, the ductility of above-mentioned SBS modified pitch be test temperature be 5 DEG C, draw speed be 5cm/min condition
Lower test；
The needle penetration is tested under the following conditions：
Temperature is 25 DEG C, injection time 5s, is 41-65 (0.1mm) under the conditions of loading 100g；
The viscosity is tested under the following conditions：Temperature is 160 DEG C.
It should be understood that the SBS modified pitch for meeting above-mentioned performance parameter be all applicable, for example, petrochina fuel oil has
Limit the I-D type SBS modified pitch of responsible company.
Preferably, the polychloroprene latex includes CRL 50LK type cationic chloroprene latexs.
It should be appreciated that above-mentioned polychloroprene latex can also be other kinds of.
Preferably, the emulsifying agent includes cation asphalt emulgent.
It should be appreciated that mentioned emulsifier can also be anionic asphalt emulsion, simply effect does not have cation drip
The effect of blue or green emulsifying agent is good, while according to anionic asphalt emulsion, then needs accordingly to adjust polychloroprene latex, stabilizer, pH value
The type of conditioning agent, makes it match.
Preferably, the cation asphalt emulgent includes kzw-802S type emulsifying agents.
It should be appreciated that the cation asphalt emulgent for meeting above-mentioned model is all applicable, for example, day can be bought
The kzw-802S type emulsifying agents of Jin Kangzewei Science and Technology Ltd.s production.
Preferably, the auxiliary agent includes the one or more in stabilizer, defoamer, pH value conditioning agent.
Preferably, the stabilizer includes：It is one or more of in ammonium chloride, calcium chloride, polyvinyl alcohol etc..
Preferably, the defoamer includes：Organic silicon defoamer and/or tributyl phosphate.
It should be appreciated that defoamer can also be other types of, this is no longer going to repeat them.
Preferably, the pH value conditioning agent includes：One or more in hydrochloric acid, acetic acid, nitric acid, phosphoric acid, ethanedioic acid.
It is another object of the present invention to provide a kind of preparation method of aforementioned coating composition, include the following steps：
Prepare soap lye：
Emulsifying agent, stabilizer, polychloroprene latex are added to the water in stirring by above-mentioned mass fraction and obtain mixture, will
Mixture is heated to 50 DEG C -65 DEG C, is adjusted PH to 1.5-3.5 with pH value conditioning agent, you can soap lye is made；
Emulsification：
SBS modified pitch is heated to 150 DEG C -175 DEG C, by above-mentioned mass fraction by SBS modified pitch and defoamer
It is slowly added into the soap lye be emulsified；
The emulsification uses colloid mill, and the colloid mill rotating speed is 1000-4000r/min, emulsification times 10-200s.
Coating composition provided by the invention and preparation method thereof, due to being changed latex using the method emulsified when being modified
Property agent, which is mixed, to be fitted in emulsifier aqueous solution, equivalent to the total amount in a disguised form improving soap lye, in the case where final temperature is identical, Ke Yiti
The addition of high pitch, obtains the coating composition of high solids content, and the coating composition of acquisition has the dual of pitch and rubber
Characteristic, especially has the following advantages：
1. the advantage of SBS modified pitch high and low temperature performances can be given full play to；
2. the coating composition is emulsion type rubber asphalt waterproof coating, polychloroprene latex content is reduced, is reduced at the same time
Product cost；
3. the solids content of the coating composition reaches 60%, unit area material quantity is few, and construction efficiency is high, cost of transportation
It is low；
4. the coating composition is water paint, safety and environmental protection, the harm to construction personnel's health is small；
5. the elongation at break of the coating composition is big, more than 1000%；
6. the impermeable water pressure of the coating composition is high, up to 0.6MPa, 30min is without infiltration.
Embodiment
To make those skilled in the art more fully understand technical scheme, with reference to embodiment to this
Invention is described in further detail.
Embodiment 1：
The present embodiment provides a kind of coating composition and preparation method thereof, coating composition includes component as shown in Table 1；
Wherein, the softening point of the SBS modified pitch is 56 DEG C, ductility 45cm, needle penetration 41；Viscosity is
500mPa·s。
The component and mass fraction of coating composition prepared by 1 embodiment 1-4 of table
The preparation method of coating composition is as follows：
Prepare soap lye：
Emulsifying agent, stabilizer, polychloroprene latex are added to the water in stirring by above-mentioned mass fraction and obtain mixture, will
Mixture is heated to 50 DEG C, is adjusted PH to 1.5 with pH value conditioning agent, you can soap lye is made；
Emulsification：
SBS modified pitch is heated to 165 DEG C, slowly adds SBS modified pitch and defoamer by above-mentioned mass fraction
Enter into the soap lye and emulsified.
The emulsification uses colloid mill, and the colloid mill rotating speed is 2000r/min, emulsification times 100s.
By coating composition manufactured in the present embodiment by emulsified asphalt waterproofing coating standard JC/T 408-2005 H-types
It is required that being tested, the result is shown in table 2.
The performance test results of coating composition prepared by 2 embodiment 1 of table
Embodiment 2：
The present embodiment provides a kind of coating composition and preparation method thereof, coating composition includes component as shown in Table 1；
Wherein, the softening point of the SBS modified pitch is 70 DEG C, ductility 21cm, needle penetration 65；Viscosity is
400mPa·s。
The preparation method of coating composition is as follows：
Prepare soap lye：
Emulsifying agent, stabilizer, polychloroprene latex are added to the water in stirring by above-mentioned mass fraction and obtain mixture, will
Mixture is heated to 65 DEG C, is adjusted PH to 3.5 with pH value conditioning agent, you can soap lye is made；
Emulsification：
SBS modified pitch is heated to 150 DEG C, slowly adds SBS modified pitch and defoamer by above-mentioned mass fraction
Enter into the soap lye and emulsified.
The emulsification uses colloid mill, and the colloid mill rotating speed is 1000r/min, emulsification times 200s.
By coating composition manufactured in the present embodiment by emulsified asphalt waterproofing coating standard JC/T 408-2005 H-types
It is required that being tested, the result is shown in table 3.
The performance test results of coating composition prepared by 3 embodiment 2 of table
Embodiment 3：
The present embodiment provides a kind of coating composition and preparation method thereof, coating composition includes component as shown in Table 1；
Wherein, the softening point of the SBS modified pitch is 60 DEG C, ductility 30cm, needle penetration 50, and viscosity is
200mPa·s。
The preparation method of coating composition is as follows：
Prepare soap lye：
Emulsifying agent, stabilizer, polychloroprene latex are added to the water in stirring by above-mentioned mass fraction and obtain mixture, will
Mixture is heated to 60 DEG C, is adjusted PH to 2.0 with pH value conditioning agent, you can soap lye is made；
Emulsification：
SBS modified pitch is heated to 175 DEG C, slowly adds SBS modified pitch and defoamer by above-mentioned mass fraction
Enter into the soap lye and emulsified.
The emulsification uses colloid mill, and the colloid mill rotating speed is 4000r/min, emulsification times 10s.
By coating composition manufactured in the present embodiment by emulsified asphalt waterproofing coating standard JC/T 408-2005 H-types
It is required that being tested, the result is shown in table 4.
The performance test results of coating composition prepared by 4 embodiment 3 of table
Embodiment 4：
The present embodiment provides a kind of coating composition and preparation method thereof, coating composition includes component as shown in Table 1；
Wherein, the softening point of the SBS modified pitch is 65 DEG C, ductility 35cm, needle penetration 55；Viscosity is
600mPa·s。
The preparation method of coating composition is as follows：
Prepare soap lye：
Emulsifying agent, stabilizer, polychloroprene latex are added to the water in stirring by above-mentioned mass fraction and obtain mixture, will
Mixture is heated to 55 DEG C, is adjusted PH to 2.5 with pH value conditioning agent, you can soap lye is made；
Emulsification：
SBS modified pitch is heated to 160 DEG C, slowly adds SBS modified pitch and defoamer by above-mentioned mass fraction
Enter into the soap lye and emulsified.
The emulsification uses colloid mill, and the colloid mill rotating speed is 3000r/min, emulsification times 50s.
By coating composition manufactured in the present embodiment by emulsified asphalt waterproofing coating standard JC/T 408-2005 H-types
It is required that being tested, the result is shown in table 5.
The performance test results of coating composition prepared by 5 embodiment 4 of table
As it can be seen that coating composition provided by the invention and preparation method thereof, due to using modified SBS modified pitch
Emulsified with neoprene latex, the coating composition of acquisition has the following advantages：
1. the advantage of SBS modified pitch high and low temperature performances can be given full play to；
2. the coating composition is emulsion type rubber asphalt waterproof coating, polychloroprene latex content is reduced, is reduced at the same time
Product cost；
3. the solids content of the coating composition reaches 60%, unit area material quantity is few, and construction efficiency is high, cost of transportation
It is low；
4. the coating composition is water paint, safety and environmental protection, the harm to construction personnel's health is small；
5. the elongation at break of the coating composition is big, more than 1000%；
6. the impermeable water pressure of the coating composition is high, up to 0.6MPa, 30min is without infiltration.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the present invention is not limited thereto.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a kind of coating composition, it is characterised in that include the component of following mass fraction：
350-450 parts of SBS modified pitch, the softening point of the SBS modified pitch is 56 DEG C -70 DEG C, ductility 21-45cm, pin
In-degree is 41-65；Viscosity is 200-600mPas；
Polychloroprene latex：110-145 parts；
Emulsifying agent：11.3-21.8 parts；
Auxiliary agent：2.2-10.5 part；
Water：203-254 parts.
2. coating composition as claimed in claim 1, it is characterised in that the polychloroprene latex includes CRL 50LK type cations
Polychloroprene latex.
3. coating composition as claimed in claim 1, it is characterised in that the emulsifying agent includes cation asphalt emulgent.
4. coating composition as claimed in claim 3, it is characterised in that the cation asphalt emulgent includes kzw-802S
Type emulsifying agent.
5. coating composition as claimed in claim 1, it is characterised in that the auxiliary agent includes stabilizer, defoamer, pH values
One or more in conditioning agent.
6. coating composition as claimed in claim 5, it is characterised in that the stabilizer includes：Ammonium chloride, calcium chloride, gather
It is one or more of in vinyl alcohol.
7. coating composition as claimed in claim 5, it is characterised in that the defoamer includes：Organic silicon defoamer and/
Or tributyl phosphate.
8. coating composition as claimed in claim 5, it is characterised in that the pH value conditioning agents include：Hydrochloric acid, acetic acid,
One or more in nitric acid, phosphoric acid, ethanedioic acid.
9. the preparation method of a kind of coating composition as described in claim 5-8 is any, it is characterised in that including following step
Suddenly：
Prepare soap lye：
By above-mentioned mass fraction under agitation, emulsifying agent, stabilizer, polychloroprene latex are added to the water and obtain mixture, will
Mixture is heated to 50 DEG C -65 DEG C, is adjusted pH to 1.5-3.5 with pH values conditioning agent, you can soap lye is made；
Emulsification：
SBS modified pitch is heated to 150 DEG C -175 DEG C, it is by above-mentioned mass fraction that SBS modified pitch and defoamer is slow
Addition is emulsified into the soap lye；
The emulsification uses colloid mill, and the colloid mill rotating speed is 1000-4000r/min, emulsification times 10-200s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510550171.6A CN105131837B (en) | 2015-09-01 | 2015-09-01 | A kind of coating composition and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510550171.6A CN105131837B (en) | 2015-09-01 | 2015-09-01 | A kind of coating composition and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105131837A CN105131837A (en) | 2015-12-09 |
| CN105131837B true CN105131837B (en) | 2018-05-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105482705A (en) * | 2015-12-30 | 2016-04-13 | 张力元 | Waterproof coating |
| CN106085234B (en) * | 2016-06-21 | 2019-07-16 | 沈阳建筑大学 | Honest rock modified waterproof asphalt material of cloth and preparation method thereof |
| WO2018143159A1 (en) * | 2017-02-01 | 2018-08-09 | デンカ株式会社 | Chloroprene-based polymer latex composition, mixed latex composition using same, and use thereof |
| CN107502189A (en) * | 2017-08-30 | 2017-12-22 | 袁云川 | A kind of novel aqueous asphalt coating composition and preparation method thereof |
| CN109096919A (en) * | 2018-06-22 | 2018-12-28 | 安徽快来防水防腐有限公司 | A kind of sound-insulating spraying rapid hardening SBS modified waterproof asphalt material and its preparation and application |
| CN108949029A (en) * | 2018-08-05 | 2018-12-07 | 佛山市矢达新材料科技有限公司 | A kind of aqueous high bonding anticorrosive paint and preparation method thereof suitable for automobile chassis |
| CN111117488A (en) * | 2019-12-30 | 2020-05-08 | 徐州卧牛山新型防水材料有限公司 | Modified emulsified asphalt waterproof coating and preparation method thereof |
| CN111100556A (en) * | 2020-01-03 | 2020-05-05 | 江苏西尔玛道路环保材料有限公司 | Mineral colloidal SBS modified asphalt coating and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002264250A (en) * | 2001-03-13 | 2002-09-18 | Denki Kagaku Kogyo Kk | Water-proofing sheet |
| CN102190897B (en) * | 2011-03-19 | 2012-08-01 | 重庆诚邦路面材料有限公司 | Water-based road asphalt rehabilitating agent and preparation method thereof |
| CN103059589A (en) * | 2012-12-28 | 2013-04-24 | 中国铁道科学研究院金属及化学研究所 | Emulsified asphalt for ballastless slab track in severe cold region and preparation method thereof |
| CN103333555B (en) * | 2013-07-03 | 2016-01-13 | 广西金雨伞防水科技有限公司 | With the waterproof paint of cement generation chemically crosslinked and physics mortise and tenon |
| CN103740118A (en) * | 2013-12-13 | 2014-04-23 | 许昌金欧特沥青股份有限公司 | Sprinkling-type SBS modified emulsified asphalt and preparation method thereof |
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Effective date of registration: 20200907 Address after: 101309 Shunyi District Shunping road section of Beijing City Area No. 2 Co-patentee after: SHANGHAI ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. Patentee after: BEIJING ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. Address before: 101309 Shunyi District Shunping road section of Beijing City Area No. 2 Patentee before: BEIJING ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210420 Address after: 101309 Shunyi District Shunping road section of Beijing City Area No. 2 Patentee after: BEIJING ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. Address before: 101309 Shunyi District Shunping road section of Beijing City Area No. 2 Patentee before: BEIJING ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. Patentee before: SHANGHAI ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20240606 Address after: 530215 No.5 Helong Road, Wutang Town, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: Nanning Dongfang Yuhong Waterproof Materials Co.,Ltd. Country or region after: China Address before: 101309 Sha Ling section 2, Shunping Road, Shunyi District, Beijing Patentee before: BEIJING ORIENTAL YUHONG WATERPROOF TECHNOLOGY Co.,Ltd. Country or region before: China |